159b14172f
R=bmeurer@chromium.org BUG= Review URL: https://codereview.chromium.org/809333002 Cr-Commit-Position: refs/heads/master@{#26020}
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --use-osr --turbo-osr
|
|
|
|
var counter = 188;
|
|
|
|
function gen() { // defeat compiler cache.
|
|
var num = counter++;
|
|
var src =
|
|
"function f" + num + "(Z,a,b,c) {" +
|
|
" var x = 0;" +
|
|
" var y = 0;" +
|
|
" var z = 0;" +
|
|
" while (a > 0) { Z(0); x += 19; a--; var j=2; while(j--); }" +
|
|
" while (b > 0) { Z(1); y += 23; b--; var j=2; while(j--); }" +
|
|
" while (c > 0) { Z(2); z += 29; c--; var j=2; while(j--); }" +
|
|
" return x + y + z;" +
|
|
"} f" + num;
|
|
|
|
return eval(src);
|
|
}
|
|
|
|
function compiler(a) { // manual control of OSR compiles.
|
|
var x = 0;
|
|
function count(l) {
|
|
if (l == a && (x++) > 0) {
|
|
%OptimizeFunctionOnNextCall(count.caller, "osr");
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
function check(x,a,b,c) {
|
|
function none(l) { }
|
|
|
|
for (var i = 0; i < 3; i++) {
|
|
var f = gen();
|
|
assertEquals(x, f(compiler(i), a, b, c));
|
|
assertEquals(x, f(none, a, b, c));
|
|
}
|
|
}
|
|
|
|
check(213, 3,3,3);
|
|
check(365, 4,5,6);
|
|
check(6948, 99,98,97);
|